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Utility of the Fitbit Flex to evaluate sleep in major depressive disorder: A comparison against polysomnography and wrist-worn actigraphy.
TLDR
The FBF is not an adequate substitute for PSG when quantifying sleep in MDD, and the settings of the device sizably impact its performance relative to PSG and other standard actigraphs. Expand
Ability of the Multisensory Jawbone UP3 to Quantify and Classify Sleep in Patients With Suspected Central Disorders of Hypersomnolence: A Comparison Against Polysomnography and Actigraphy.
TLDR
The Jawbone UP3 did not accurately quantify or classify sleep in patients with suspected central disorders of hypersomnolence, and was particularly poor at identifying REM sleep. Expand
Ability of the Fitbit Alta HR to quantify and classify sleep in patients with suspected central disorders of hypersomnolence: A comparison against polysomnography
TLDR
Results suggest FBA‐HR cannot replace EEG‐based measurements of sleep and wake in the diagnostic assessment of suspected CDH, and that improvements in device performance are required prior to adoption in clinical or research settings. Expand
Effects of partial sleep deprivation on slow waves during non-rapid eye movement sleep: A high density EEG investigation
TLDR
A homeostatic response to partial sleep loss in humans is demonstrated, with frontal increases in slow wave amplitude, numbers of high-amplitude waves, and amplitude/slopes of low amplitude waves resulting from partial sleep deprivation. Expand
Objective measures of sleep duration and continuity in major depressive disorder with comorbid hypersomnolence: a primary investigation with contiguous systematic review and meta‐analysis
TLDR
Current sleep medicine nosology that distinguishes hypersomnia associated with psychiatric disorders primarily as a construct characterized by low SE and increased time in bed may not be accurate, suggesting future studies that establish the biological bases hypersomnolence in mood disorders, as well as clarify the accuracy of nosological thresholds to define excessive sleep duration, are needed. Expand
Effects of oral temazepam on sleep spindles during non-rapid eye movement sleep: A high-density EEG investigation
TLDR
It is suggested that benzodiazepines have diverse effects on sleep spindles that vary by frequency and cortical topography, and temazepam both slowed the average frequency of spindle waveforms and increased the relative proportion ofSpindles at peak frequencies in frontal and centroparietal regions. Expand
Optimizing Actigraphic Estimation of Sleep Duration in Suspected Idiopathic Hypersomnia.
TLDR
The results demonstrate that actigraphic settings should be carefully considered when estimating sleep duration, and the Low + 25 Epoch configuration is indicated as most optimal for estimating TST in persons with suspected idiopathic hypersomnia. Expand
Establishing the objective sleep phenotype in hypersomnolence disorder with and without comorbid major depression.
TLDR
Hypersomnolence disorder is characterized by increased sleep duration with normal sleep continuity, regardless of the presence or absence of comorbid depression, and reduced local SWA may be a specific neurophysiological finding in hypersomnolia disorder. Expand
The 5α‐reductase inhibitor finasteride is not associated with alterations in sleep spindles in men referred for polysomnography
TLDR
The hypothesis that the 5α‐reductase inhibitor finasteride, an agent associated with reductions in neurosteroids, would be associated with reduced sleep spindles in men referred for polysomnography was tested. Expand
Identifying subtypes of Hypersomnolence Disorder: a clustering analysis.
TLDR
These results provide growing support for a nosological reformulation of hypersomnolence associated with psychiatric disorders through clustering analysis and solidify the conceptualization and characterization of unexplained hypersomNolence presenting with-and-without psychiatric illness. Expand
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